ISC BIND Multiple Vulnerabilities

Release Date: 23 Oct 2025

RISK: Medium Risk

TYPE: Servers - Network Management

Multiple vulnerabilities were identified in ISC BIND. A remote attacker could exploit some of these vulnerabilities to trigger denial of service condition, spoofing, data manipulation and security restriction bypass on the targeted system.

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Impact

• Denial of Service
• Data Manipulation
• Security Restriction Bypass
• Spoofing

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System / Technologies affected

• BIND version 9.11.0 to 9.16.50
• BIND version 9.18.0 to 9.18.39
• BIND version 9.20.0 to 9.20.13
• BIND version 9.21.0 to 9.21.12
• BIND Supported Preview Edition version 9.11.3-S1 to 9.16.50-S1
• BIND Supported Preview Edition version 9.18.11-S1 to 9.18.39-S1
• BIND Supported Preview Edition version 9.20.9-S1 to 9.20.13-S1

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Solutions

Before installation of the software, please visit the vendor web-site for more details.

 

Apply fixes issued by the vendor:

• BIND version 9.18.41
• BIND version 9.20.15
• BIND version 9.21.14
• BIND Supported Preview Edition version 9.18.41-S1
• BIND Supported Preview Edition version 9.20.15-S1

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Vulnerability Identifier

• CVE-2025-8677
• CVE-2025-40778
• CVE-2025-40780

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Source

• ISC

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Related Link

• https://kb.isc.org/docs/cve-2025-8677
• https://kb.isc.org/docs/cve-2025-40778
• https://kb.isc.org/docs/cve-2025-40780